Avalanche Weather Guidance
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
254
FWUS45 KTFX 082201
AVGTFX
Avalanche Weather Guidance
National Weather Service Great Falls MT
400 PM MDT Mon Jun 8 2026
...Glacier National Park/Marias Pass...
Date Tuesday 06/09/26 Wednesday 06/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover BK OV OV OV OV BK BK BK OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 50 80 75 80 85 70 60 65 75 85 85 85 85 85 90 90 80
Temperature 52 48 45 43 42 43 45 46 44 40 40 39 38 36 36 38 38
Min/Max Temp 41 47 35 40
Wind Dir SW S S SW SW SW SW SW SW SW SW SW SW W W W W
Wind (mph) 14 8 8 9 11 17 20 23 25 28 27 26 26 25 23 21 21
Wind Gust (mph) 34 42 44 55 63 64 61 59 58 52 50 50
Precip Prob (%) 0 0 0 5 20 30 30 50 40 60 50 50 80 80 90 90 50
Precip Type R R S R S R S S S S S S R
6 Hour QPF 0.00 0.00 0.01 0.02 0.04 0.03 0.09 0.07
12 Hour QPF 0.00 0.03 0.07 0.16
Low End QPF 0.00 0.02 0.03 0.03
High End QPF 0.03 0.28 0.16 0.45
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.4 0.2
12 Hour Snow 0.0 0.0 0.0 0.6
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.2 0.9
Snow Level (kft) 7.7 8.0 8.3 8.4 8.1 8.0 7.7 7.7 7.6 7.4 7.2 6.8 6.1 6.1 6.4 7.1 7.5
Snow Density (%) 100 0 100 100 50 33 33 25 25 25 20 16 14 14 14 20 25
...Bob Marshall/Scapegoat Wilderness...
Date Tuesday 06/09/26 Wednesday 06/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover BK OV OV OV OV BK BK SC BK BK OV OV OV BK OV OV OV
Cloud Cover (%) 60 80 70 75 85 60 55 50 55 70 80 85 75 70 75 75 75
Temperature 55 50 46 44 42 44 47 49 46 40 38 38 36 36 38 39 39
Min/Max Temp 42 50 35 41
Wind Dir SW S SW SW SW W W W W W W W W W W W W
Wind (mph) 9 4 5 6 9 13 16 19 23 24 26 26 26 27 23 21 21
Wind Gust (mph) 29 34 37 42 54 61 66 69 67 69 59 56 59
Precip Prob (%) 0 0 0 5 10 20 20 30 20 30 30 20 40 40 50 50 30
Precip Type R R R R S S S S S S S S S
6 Hour QPF 0.00 0.00 0.00 0.01 0.01 0.01 0.01 0.01
12 Hour QPF 0.00 0.01 0.02 0.02
Low End QPF 0.00 0.00 0.01 0.00
High End QPF 0.03 0.11 0.06 0.14
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.1 0.3
Snow Level (kft) 8.4 8.8 8.9 8.8 8.5 8.2 8.1 7.9 7.6 7.3 6.9 6.5 6.0 6.0 6.3 6.9 7.1
Snow Density (%) 0 0 0 100 50 33 33 33 25 20 14 12 11 11 12 16 20
...Nevada Mountains...
Date Tuesday 06/09/26 Wednesday 06/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover SC OV OV OV OV BK BK BK SC SC BK BK BK BK BK BK BK
Cloud Cover (%) 50 80 80 85 80 50 55 55 35 40 55 65 65 65 55 65 70
Temperature 60 55 52 49 47 48 50 52 49 45 42 41 40 38 40 42 42
Min/Max Temp 46 53 38 44
Wind Dir S SE W SW SW W W W W W W W W W W W W
Wind (mph) 8 4 4 8 9 16 16 18 23 24 24 25 26 28 26 23 21
Wind Gust (mph) 44 47 50 54 55 59 52 47 43
Precip Prob (%) 0 0 5 10 5 20 40 40 5 0 0 5 10 10 30 30 20
Precip Type R R T T S S S S S
6 Hour QPF 0.00 0.00 0.00 0.01 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.01 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.04 0.08 0.03 0.09
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 8.8 9.3 9.4 9.1 8.7 8.4 8.3 8.1 7.8 7.3 6.8 6.4 5.9 6.0 6.3 6.9 7.1
Snow Density (%) 0 0 0 0 100 50 50 50 33 25 20 14 14 14 16 25 25
...Elkhorn/Boulder Mountains...
Date Tuesday 06/09/26 Wednesday 06/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover BK OV OV OV OV SC OV OV BK SC SC SC SC BK SC BK BK
Cloud Cover (%) 65 80 85 90 70 45 75 75 55 40 35 40 40 50 50 50 60
Temperature 58 53 49 46 44 47 50 51 48 42 38 37 35 38 41 43 42
Min/Max Temp 44 53 35 44
Wind Dir S SW SW SW SW W W W W W W W W W W W NW
Wind (mph) 12 6 5 9 10 14 13 14 18 14 13 14 16 24 23 23 23
Wind Gust (mph) 32 35 33 39 39 36 39 41 55 49 48 46
Precip Prob (%) 0 0 5 20 5 20 60 60 20 0 0 0 20 20 30 30 10
Precip Type R R R R T S S S S S
6 Hour QPF 0.00 0.00 0.00 0.04 0.01 0.00 0.00 0.00
12 Hour QPF 0.00 0.04 0.01 0.00
Low End QPF 0.00 0.02 0.00 0.00
High End QPF 0.05 0.20 0.06 0.06
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 9.3 9.7 9.6 9.3 9.0 8.8 8.8 8.6 8.2 7.7 7.0 6.5 5.9 6.1 6.4 7.1 7.2
Snow Density (%) 0 0 0 100 50 50 50 50 33 20 14 11 11 11 14 20 25
...Big Belt Mountains...
Date Tuesday 06/09/26 Wednesday 06/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover SC OV OV OV OV BK OV BK SC SC SC SC BK BK BK BK BK
Cloud Cover (%) 45 80 70 85 85 50 70 60 50 40 40 35 50 55 60 65 70
Temperature 60 56 53 51 49 51 53 54 51 46 43 42 40 41 43 45 45
Min/Max Temp 48 55 39 47
Wind Dir S SE S SW SW SW W W W W W SW SW W W W W
Wind (mph) 9 9 8 6 9 16 14 13 17 18 17 18 20 25 23 21 20
Wind Gust (mph) 28 28 37 33 40 43 46 48 52 61 52 48 46
Precip Prob (%) 0 0 0 5 20 20 60 40 10 0 0 0 5 5 40 40 50
Precip Type R T T T R S S S S S
6 Hour QPF 0.00 0.00 0.00 0.05 0.01 0.00 0.00 0.01
12 Hour QPF 0.00 0.05 0.01 0.01
Low End QPF 0.00 0.03 0.01 0.00
High End QPF 0.04 0.20 0.07 0.13
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 8.8 9.5 9.7 9.6 9.2 8.8 8.8 8.6 8.2 7.6 7.0 6.6 6.1 6.2 6.5 7.1 7.3
Snow Density (%) 0 0 0 0 100 100 100 100 50 33 25 16 16 16 20 33 33
...Little Belt Mountains...
Date Tuesday 06/09/26 Wednesday 06/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover SC OV BK OV OV BK BK BK BK SC SC SC SC SC BK BK OV
Cloud Cover (%) 40 75 55 75 85 65 60 65 60 50 35 30 45 40 65 70 80
Temperature 60 53 50 48 46 51 54 55 51 46 42 40 38 40 44 45 44
Min/Max Temp 46 57 37 47
Wind Dir SW SE SE S SW SW W W W W W W W W W W W
Wind (mph) 11 10 11 6 8 13 14 13 14 18 19 20 23 25 23 21 20
Wind Gust (mph) 29 31 31 34 41 46 48 49 52 49 47 48
Precip Prob (%) 0 0 0 0 10 5 40 50 20 0 0 0 10 10 50 50 70
Precip Type T T R S S S S S
6 Hour QPF 0.00 0.00 0.00 0.04 0.01 0.00 0.00 0.04
12 Hour QPF 0.00 0.04 0.01 0.04
Low End QPF 0.00 0.01 0.00 0.00
High End QPF 0.01 0.23 0.08 0.19
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.1
Snow Level (kft) 8.7 9.5 9.7 9.8 9.4 9.0 9.1 9.1 8.5 7.9 7.1 6.6 6.2 6.3 6.7 7.3 7.5
Snow Density (%) 0 0 0 0 0 100 100 100 50 33 20 16 14 14 20 25 33
...Highwood Mountains...
Date Tuesday 06/09/26 Wednesday 06/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover SC OV BK OV OV OV SC SC SC SC SC SC SC SC OV OV OV
Cloud Cover (%) 25 75 60 85 90 70 35 45 50 40 30 30 30 35 70 80 85
Temperature 61 56 55 53 51 53 56 58 55 51 48 46 44 44 45 46 45
Min/Max Temp 51 59 43 48
Wind Dir SW SE SE S SW W W W W W W W W W W W W
Wind (mph) 6 10 13 9 11 17 20 19 21 26 29 29 31 33 28 26 25
Wind Gust (mph) 39 46 49 50 51 54 46 44 43
Precip Prob (%) 0 0 0 0 10 5 20 20 10 0 0 0 10 10 50 50 80
Precip Type T T S R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.08
12 Hour QPF 0.00 0.00 0.00 0.08
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.02 0.21 0.06 0.34
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 8.2 9.0 9.5 9.7 9.4 9.0 8.8 8.7 8.3 7.9 7.2 6.6 6.3 6.3 6.6 7.3 7.4
Snow Density (%) 0 0 0 0 0 0 0 0 100 50 50 25 25 25 33 33 33
...Snowy/Judith Mountains...
Date Tuesday 06/09/26 Wednesday 06/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover FW OV OV OV OV OV BK OV OV OV BK SC FW SC BK BK OV
Cloud Cover (%) 25 75 75 80 95 75 55 80 90 80 55 35 25 30 55 60 80
Temperature 63 55 53 51 49 56 61 61 56 50 47 44 42 46 50 50 47
Min/Max Temp 48 63 41 52
Wind Dir S SE SE S SW W W W W W W W W W W W W
Wind (mph) 10 11 11 5 6 13 13 11 11 13 17 18 19 26 24 23 25
Wind Gust (mph) 33 32 33 32 31 35 43 48 48 48 52 48 50 51
Precip Prob (%) 0 0 0 0 5 5 20 70 50 5 0 0 0 0 40 40 70
Precip Type T R R R R R
6 Hour QPF 0.00 0.00 0.00 0.06 0.02 0.00 0.00 0.00
12 Hour QPF 0.00 0.06 0.02 0.00
Low End QPF 0.00 0.03 0.00 0.00
High End QPF 0.01 0.27 0.11 0.10
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 8.6 9.5 10.1 10.4 10.2 9.6 9.5 9.6 9.0 8.4 7.4 6.7 6.4 6.5 6.9 7.5 7.6
Snow Density (%) 0 0 0 0 0 0 0 0 0 100 50 33 33 33 50 50 50
...Bears Paw Mountains...
Date Tuesday 06/09/26 Wednesday 06/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover FW BK OV BK OV OV SC SC BK BK SC SC BK BK OV OV OV
Cloud Cover (%) 10 60 75 65 90 75 45 45 65 55 45 45 60 55 80 85 95
Temperature 62 54 52 51 49 55 61 63 60 53 49 46 45 46 47 49 48
Min/Max Temp 48 64 43 51
Wind Dir S SE SE SE S W W W W W W W W W W W W
Wind (mph) 9 8 11 9 5 9 14 14 14 18 23 24 25 27 24 23 23
Wind Gust (mph) 37 41 43 42 47 43 43 42
Precip Prob (%) 0 0 0 0 5 5 5 10 5 0 0 0 30 30 70 70 90
Precip Type T R R R R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.04 0.14
12 Hour QPF 0.00 0.00 0.00 0.18
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.01 0.09 0.05 0.33
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 7.7 8.1 9.2 9.6 9.7 9.4 8.9 9.1 8.7 8.1 7.4 7.1 6.7 6.7 6.9 7.6 8.0
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 100 50 33 33 50 50 50
...Castle/Crazy Mountains...
Date Tuesday 06/09/26 Wednesday 06/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover BK OV BK OV OV BK BK OV OV BK SC SC SC SC BK BK BK
Cloud Cover (%) 60 85 65 85 85 55 65 85 70 60 50 40 35 45 55 55 65
Temperature 61 55 51 49 48 51 53 54 49 45 41 39 38 39 43 45 45
Min/Max Temp 47 56 37 47
Wind Dir SW SE SE S SW SW W W W W W W W W W W W
Wind (mph) 9 9 10 8 12 21 19 16 14 17 17 19 23 29 27 27 26
Wind Gust (mph) 26 32 44 40 36 41 43 49 54 58 66 59 57 61
Precip Prob (%) 0 0 0 5 10 20 50 80 50 20 5 0 20 20 30 30 40
Precip Type R T R R R S S S S S
6 Hour QPF 0.00 0.00 0.01 0.11 0.02 0.00 0.00 0.00
12 Hour QPF 0.00 0.12 0.02 0.00
Low End QPF 0.00 0.05 0.01 0.00
High End QPF 0.03 0.34 0.12 0.09
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.0 0.0
Snow Level (kft) 9.3 9.8 9.9 10.1 9.5 9.2 9.4 9.3 8.7 8.0 7.3 6.8 6.2 6.4 6.7 7.3 7.4
Snow Density (%) 0 0 0 0 100 100 100 100 50 33 20 16 14 14 20 33 33
...Bridger Range...
Date Tuesday 06/09/26 Wednesday 06/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover BK OV OV OV OV BK OV OV OV BK BK BK BK BK BK BK BK
Cloud Cover (%) 60 80 85 85 90 55 75 90 80 65 50 50 60 55 60 60 55
Temperature 60 55 53 51 49 50 52 53 48 43 40 38 37 39 42 45 44
Min/Max Temp 48 55 36 46
Wind Dir S S S SW SW SW W W W W W W W W W W NW
Wind (mph) 5 8 10 10 12 18 16 12 10 8 10 12 17 24 21 20 20
Wind Gust (mph) 25 27 32 34 40 34 29 27 35 41 51 46 42 41
Precip Prob (%) 0 0 0 5 30 30 60 90 70 30 5 0 30 30 40 40 30
Precip Type R R R R R R S S S S S
6 Hour QPF 0.00 0.00 0.01 0.11 0.06 0.01 0.00 0.00
12 Hour QPF 0.00 0.12 0.07 0.00
Low End QPF 0.00 0.09 0.05 0.00
High End QPF 0.05 0.49 0.23 0.14
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.1 0.1
Snow Level (kft) 9.5 9.7 10.1 10.0 9.6 9.2 9.4 9.2 8.9 8.2 7.5 6.8 6.3 6.5 6.8 7.4 7.5
Snow Density (%) 0 0 0 0 100 100 100 100 50 33 20 16 14 14 20 33 33
...Madison Range/Spanish Peaks...
Date Tuesday 06/09/26 Wednesday 06/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover BK OV OV OV OV OV OV OV OV BK SC BK OV OV OV OV BK
Cloud Cover (%) 65 80 90 80 90 70 95 80 85 65 45 65 85 80 75 75 60
Temperature 55 51 49 46 41 41 44 46 43 38 35 33 31 34 37 40 40
Min/Max Temp 40 47 31 42
Wind Dir S S S SW S SW SW SW W W W SW SW SW W W NW
Wind (mph) 17 9 12 20 19 18 14 13 10 8 6 8 9 13 14 16 16
Wind Gust (mph) 40 29 35 51 48 42 35 33 29 25 36 36 40 42
Precip Prob (%) 5 0 5 20 60 40 90 70 80 50 20 10 70 70 60 60 20
Precip Type R R S R R S S R S S S S S S
6 Hour QPF 0.00 0.02 0.07 0.21 0.05 0.01 0.02 0.01
12 Hour QPF 0.02 0.28 0.06 0.03
Low End QPF 0.00 0.17 0.05 0.00
High End QPF 0.13 0.55 0.31 0.20
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.1 0.2 0.0
12 Hour Snow 0.0 0.0 0.1 0.2
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.1 0.2 0.6 1.0
Snow Level (kft) 9.7 10.1 10.4 9.9 9.7 9.6 9.5 9.5 9.1 8.6 7.9 7.3 7.0 7.2 7.2 7.7 7.8
Snow Density (%) 0 0 0 50 33 25 33 33 25 14 11 10 10 10 11 20 20
...Gallatin Range/Hyalite Mountains...
Date Tuesday 06/09/26 Wednesday 06/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover BK OV OV OV OV BK OV OV OV OV BK BK OV OV OV OV BK
Cloud Cover (%) 55 80 85 75 90 60 85 85 90 70 60 70 85 85 80 80 60
Temperature 58 53 50 47 43 44 48 49 45 40 36 34 32 35 39 42 41
Min/Max Temp 42 51 32 44
Wind Dir SW S S S S SW SW W W W W SW SW W W W NW
Wind (mph) 14 8 10 14 16 16 13 12 10 6 6 8 9 13 14 17 17
Wind Gust (mph) 36 39 43 40 32 29 27 34 35 39 40
Precip Prob (%) 5 0 5 10 30 20 80 80 90 50 40 5 70 70 70 70 40
Precip Type R R T R R S S S S S S S S S
6 Hour QPF 0.00 0.00 0.01 0.18 0.11 0.01 0.02 0.01
12 Hour QPF 0.00 0.19 0.12 0.03
Low End QPF 0.00 0.15 0.07 0.00
High End QPF 0.08 0.57 0.35 0.22
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.1 0.1 0.0
12 Hour Snow 0.0 0.0 0.1 0.1
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.6 0.9
Snow Level (kft) 9.8 10.0 10.4 10.0 9.8 9.6 9.6 9.5 9.1 8.6 7.8 7.2 7.0 7.1 7.1 7.6 7.8
Snow Density (%) 0 0 0 100 50 33 33 50 25 16 12 11 10 11 12 20 20
...Lionhead Range...
Date Tuesday 06/09/26 Wednesday 06/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover BK OV OV OV OV OV OV OV OV OV FW BK BK BK OV OV BK
Cloud Cover (%) 65 85 90 90 100 85 85 70 80 75 25 55 60 60 75 75 60
Temperature 59 53 50 44 38 40 44 50 49 43 37 33 31 37 43 46 46
Min/Max Temp 37 51 30 48
Wind Dir SW S S SW SW SW SW SW SW SW SW SW SW SW SW W W
Wind (mph) 10 3 10 18 19 18 14 16 12 5 4 5 8 14 13 12 11
Wind Gust (mph) 27 42 43 39 32 33 31 32 32 29 29
Precip Prob (%) 0 0 5 40 100 70 70 60 70 30 5 0 40 40 60 60 5
Precip Type R R R R R R R S S S S
6 Hour QPF 0.00 0.05 0.16 0.11 0.05 0.01 0.00 0.02
12 Hour QPF 0.05 0.27 0.06 0.02
Low End QPF 0.01 0.06 0.03 0.00
High End QPF 0.17 0.51 0.28 0.18
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.1 0.3
Snow Level (kft) 10.0 10.6 10.5 9.8 9.6 9.6 9.6 9.5 9.1 8.7 8.1 7.4 7.0 7.5 7.6 7.9 8.1
Snow Density (%) 0 0 0 100 50 50 50 100 50 33 20 16 14 16 25 33 50
...Tobacco Root Mountains...
Date Tuesday 06/09/26 Wednesday 06/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover OV OV OV OV BK BK BK OV OV SC SC BK OV BK BK BK SC
Cloud Cover (%) 75 80 85 80 65 65 70 85 75 45 35 55 80 65 55 55 50
Temperature 56 51 49 46 43 45 48 50 45 39 36 34 32 35 39 43 42
Min/Max Temp 43 51 32 44
Wind Dir SW S S SW SW SW W W W W W SW SW W W W NW
Wind (mph) 16 14 10 14 16 19 19 19 16 11 11 11 12 17 18 19 19
Wind Gust (mph) 33 34 27 34 36 40 39 37 35 33 28 32 44 39 39 39
Precip Prob (%) 5 5 10 30 50 50 50 80 60 10 0 0 50 50 30 30 5
Precip Type S R S T S S R S S S S
6 Hour QPF 0.00 0.03 0.02 0.04 0.01 0.01 0.01 0.00
12 Hour QPF 0.03 0.06 0.02 0.01
Low End QPF 0.00 0.04 0.02 0.00
High End QPF 0.12 0.33 0.13 0.14
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.1 0.1 0.0
12 Hour Snow 0.0 0.0 0.1 0.1
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.1 0.1 0.4 0.5
Snow Level (kft) 9.7 9.7 9.9 9.5 9.3 9.1 9.1 8.9 8.6 8.1 7.4 7.0 6.5 6.4 6.8 7.4 7.5
Snow Density (%) 0 0 0 50 33 33 33 33 25 14 12 10 10 9 12 16 20
...Snowcrest/Gravelly/Ruby/Blacktail Ranges...
Date Tuesday 06/09/26 Wednesday 06/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover OV OV OV OV OV OV OV OV BK SC SC SC BK BK SC BK SC
Cloud Cover (%) 75 90 85 90 75 70 85 70 65 45 30 45 70 65 50 55 50
Temperature 57 52 50 47 43 44 49 52 49 41 37 34 32 37 42 45 45
Min/Max Temp 42 53 32 47
Wind Dir S S S S S SW SW W W NW W SW SW W W W NW
Wind (mph) 20 12 13 18 16 18 18 19 18 11 6 5 6 14 19 21 23
Wind Gust (mph) 37 29 33 44 40 37 35 32 34 40 42 41
Precip Prob (%) 5 0 5 40 50 50 90 60 50 20 0 0 50 50 20 20 5
Precip Type R R R R R S S S S T T
6 Hour QPF 0.00 0.04 0.03 0.09 0.01 0.01 0.01 0.00
12 Hour QPF 0.04 0.12 0.02 0.01
Low End QPF 0.00 0.05 0.01 0.00
High End QPF 0.13 0.36 0.16 0.15
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.3 0.3
Snow Level (kft) 9.6 9.9 10.1 9.8 9.5 9.4 9.3 9.2 8.7 8.4 7.7 7.1 6.8 6.9 7.1 7.5 7.7
Snow Density (%) 0 0 0 100 50 33 50 100 33 20 14 12 11 12 14 25 25
...Centennial Mountains...
Date Tuesday 06/09/26 Wednesday 06/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover OV OV OV OV OV OV OV BK OV SC FW SC BK BK BK BK SC
Cloud Cover (%) 75 90 85 90 90 80 90 70 70 40 15 35 60 60 60 60 50
Temperature 56 53 52 48 42 41 44 49 48 42 37 34 32 37 41 44 44
Min/Max Temp 40 50 32 46
Wind Dir S S S S S S SW SW W NW W W SW SW W W NW
Wind (mph) 16 10 14 26 25 21 18 19 16 12 8 6 8 18 19 19 21
Wind Gust (mph) 43 42 36 29 36 39
Precip Prob (%) 5 0 5 50 70 70 90 50 40 10 0 0 40 40 40 40 0
Precip Type R R R R T S S S S S S
6 Hour QPF 0.00 0.11 0.09 0.10 0.01 0.00 0.00 0.00
12 Hour QPF 0.11 0.19 0.01 0.00
Low End QPF 0.00 0.08 0.02 0.00
High End QPF 0.19 0.48 0.16 0.15
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.1 0.3
Snow Level (kft) 9.7 10.3 10.2 9.9 9.7 9.5 9.5 9.4 9.0 8.6 7.9 7.3 6.9 7.2 7.3 7.8 7.9
Snow Density (%) 0 0 0 100 50 33 50 100 50 25 16 14 12 14 20 25 33
...Anaconda/Highland Ranges...
Date Tuesday 06/09/26 Wednesday 06/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover OV OV OV OV OV BK OV OV BK SC BK BK BK SC SC SC SC
Cloud Cover (%) 75 85 90 90 75 70 80 85 70 50 70 70 70 45 45 50 50
Temperature 57 51 47 44 41 43 46 47 44 38 36 34 33 35 38 41 41
Min/Max Temp 41 49 32 43
Wind Dir SW SW SW SW SW W W W W W W W W W W NW NW
Wind (mph) 11 5 8 8 8 13 13 13 14 11 10 11 12 18 19 19 19
Wind Gust (mph) 33 34 32 33 32 29 32 33 43 44 41 42
Precip Prob (%) 5 5 20 20 50 70 80 80 60 20 20 0 30 30 5 5 0
Precip Type R R R R R S S S S S S S T
6 Hour QPF 0.00 0.02 0.04 0.07 0.01 0.01 0.00 0.00
12 Hour QPF 0.02 0.11 0.02 0.00
Low End QPF 0.00 0.06 0.01 0.00
High End QPF 0.10 0.29 0.14 0.09
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.1 0.4 0.3
Snow Level (kft) 9.5 9.6 9.4 9.1 8.9 8.6 8.5 8.4 8.1 7.7 7.1 6.4 5.9 6.0 6.3 6.9 7.2
Snow Density (%) 0 0 0 50 33 25 25 25 20 14 11 9 9 9 11 16 20
...Pioneer Mountains...
Date Tuesday 06/09/26 Wednesday 06/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover OV OV OV OV BK BK BK OV OV SC OV OV OV BK SC SC SC
Cloud Cover (%) 80 80 85 90 70 65 60 80 70 50 70 70 75 55 40 45 45
Temperature 56 52 48 43 41 43 47 48 44 38 35 34 32 33 37 41 41
Min/Max Temp 40 49 31 42
Wind Dir SW S SW SW SW W W W W W W W W W W NW NW
Wind (mph) 14 8 11 9 9 14 16 17 17 13 11 12 13 19 20 21 21
Wind Gust (mph) 33 25 33 34 28 39 40 36 41 40 39 40 42 55 56 48 50
Precip Prob (%) 5 10 20 20 20 50 40 70 60 20 30 10 40 40 10 10 0
Precip Type R S S S T R S S S S S S S S
6 Hour QPF 0.00 0.01 0.01 0.06 0.01 0.01 0.00 0.00
12 Hour QPF 0.01 0.07 0.02 0.00
Low End QPF 0.00 0.03 0.01 0.00
High End QPF 0.09 0.24 0.12 0.08
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.0
12 Hour Snow 0.0 0.0 0.1 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.1 0.5 0.4
Snow Level (kft) 9.7 9.7 9.5 9.2 9.0 8.7 8.7 8.6 8.3 7.9 7.3 6.6 6.0 6.1 6.5 7.1 7.3
Snow Density (%) 0 0 100 33 33 25 25 25 20 12 11 9 8 8 10 16 20
...Beaverhead/Tendoy Mountains...
Date Tuesday 06/09/26 Wednesday 06/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover OV OV OV OV BK OV BK BK BK SC SC SC BK BK SC SC SC
Cloud Cover (%) 75 80 85 85 65 70 60 65 55 40 40 50 65 55 40 45 30
Temperature 56 51 47 43 41 43 48 50 47 39 35 33 31 35 40 43 43
Min/Max Temp 40 51 30 45
Wind Dir S S SW SW SW SW SW W W W W W W W W NW NW
Wind (mph) 19 12 16 12 11 16 18 21 21 14 9 9 10 18 21 23 23
Wind Gust (mph) 46 34 40 36 29 34 35 41 51 49 28 28 31 47 47 48 49
Precip Prob (%) 5 5 20 30 40 60 40 40 20 20 5 5 40 40 10 10 0
Precip Type R S S S T T S S S S S S S S
6 Hour QPF 0.00 0.02 0.02 0.04 0.01 0.01 0.00 0.00
12 Hour QPF 0.02 0.06 0.02 0.00
Low End QPF 0.00 0.02 0.01 0.00
High End QPF 0.11 0.23 0.14 0.10
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.0
12 Hour Snow 0.0 0.0 0.1 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.1 0.1 0.5 0.4
Snow Level (kft) 9.6 9.8 9.6 9.5 9.1 8.9 8.8 8.6 8.4 8.0 7.5 6.9 6.4 6.4 6.7 7.3 7.5
Snow Density (%) 0 0 100 50 33 25 33 33 25 16 12 10 10 10 11 20 20
...Absoraka-Beartooth/Cooke City Mountains...
Date Tuesday 06/09/26 Wednesday 06/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover SC OV BK OV BK OV OV OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 45 70 60 70 65 85 80 85 95 85 75 75 90 90 90 90 70
Temperature 54 47 45 42 38 39 42 45 42 36 33 31 30 32 36 38 37
Min/Max Temp 37 46 29 39
Wind Dir SW S S S SW SW SW SW SW SW SW SW SW SW W W W
Wind (mph) 17 6 9 17 19 20 18 18 17 11 9 10 11 17 17 16 17
Wind Gust (mph) 36 37 42 42 37 36 40 33 27 31 40 39 36 39
Precip Prob (%) 0 5 5 10 20 40 50 80 70 60 50 0 90 90 90 90 60
Precip Type
6 Hour QPF 0.00 0.00 0.01 0.08 0.13 0.01 0.03 0.03
12 Hour QPF 0.00 0.09 0.14 0.06
Low End QPF 0.00 0.07 0.07 0.02
High End QPF 0.05 0.42 0.28 0.20
6 Hour Snow 0.0 0.0 0.0 0.0 0.3 0.1 0.3 0.2
12 Hour Snow 0.0 0.0 0.4 0.5
Low End Snow 0.0 0.0 0.1 0.0
High End Snow 0.0 0.3 1.2 1.5
Snow Level (kft) 10.3 10.7 10.6 10.4 9.7 9.8 10.0 9.8 9.5 9.0 8.2 7.6 7.2 7.5 7.7 8.0 8.1
Snow Density (%) 0 0 0 100 25 25 25 25 16 11 10 8 8 10 11 14 14
...Absoraka Mountains Above 6000ft Northeast Facing...
Date Tuesday 06/09/26 Wednesday 06/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover SC OV BK BK BK BK BK OV OV OV BK BK OV OV OV OV BK
Cloud Cover (%) 45 80 65 60 70 60 65 75 85 85 55 65 75 75 85 85 65
Temperature 57 51 49 47 44 46 48 50 47 41 37 35 33 36 40 42 41
Min/Max Temp 43 51 33 43
Wind Dir SW S S SW SW SW SW SW W W SW SW SW W W W W
Wind (mph) 16 8 9 14 20 21 19 20 19 13 12 13 16 20 21 21 23
Wind Gust (mph) 40 25 29 42 56 57 47 50 52 41 39 42 46 54 55 52 62
Precip Prob (%) 0 5 5 5 5 20 40 70 60 80 30 0 60 60 80 80 50
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.08 0.09 0.01 0.01 0.01
12 Hour QPF 0.00 0.08 0.10 0.02
Low End QPF 0.00 0.07 0.05 0.01
High End QPF 0.03 0.39 0.22 0.16
6 Hour Snow 0.0 0.0 0.0 0.0 0.2 0.1 0.1 0.1
12 Hour Snow 0.0 0.0 0.3 0.2
Low End Snow 0.0 0.0 0.1 0.0
High End Snow 0.0 0.2 0.6 0.8
Snow Level (kft) 10.2 10.6 10.6 10.4 9.9 9.8 10.0 9.8 9.5 8.8 8.1 7.4 7.1 7.3 7.5 7.9 7.9
Snow Density (%) 100 0 0 100 50 33 33 33 20 16 12 11 11 12 12 20 20
...Absoraka Mountains Above 6000ft West Facing...
Date Tuesday 06/09/26 Wednesday 06/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover BK OV OV OV OV OV OV OV OV OV BK BK OV OV OV OV BK
Cloud Cover (%) 55 80 75 75 80 75 80 80 85 75 55 65 75 75 85 85 65
Temperature 58 53 50 46 41 42 46 49 46 41 37 34 32 36 40 43 42
Min/Max Temp 41 50 31 44
Wind Dir SW S S SW SW SW SW SW W W W SW SW SW W W W
Wind (mph) 14 6 9 16 17 18 16 16 13 9 6 8 9 16 16 16 16
Wind Gust (mph) 40 29 35 51 49 54 46 49 51 48 36 35 39 51 49 46 47
Precip Prob (%) 5 0 5 10 30 40 60 70 80 50 30 0 70 70 80 80 30
Precip Type R R R R R R S S S S S S S
6 Hour QPF 0.00 0.01 0.03 0.12 0.08 0.01 0.02 0.02
12 Hour QPF 0.01 0.15 0.09 0.04
Low End QPF 0.00 0.11 0.06 0.01
High End QPF 0.08 0.45 0.29 0.20
6 Hour Snow 0.0 0.0 0.0 0.0 0.1 0.1 0.1 0.1
12 Hour Snow 0.0 0.0 0.2 0.2
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.1 0.5 0.8
Snow Level (kft) 10.1 10.5 10.5 10.2 9.7 9.7 9.8 9.6 9.3 8.8 8.1 7.4 7.1 7.4 7.5 7.9 8.0
Snow Density (%) 0 0 0 100 50 33 33 50 25 16 12 11 11 12 14 20 25
...Crazy Mountains...
Date Tuesday 06/09/26 Wednesday 06/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover BK OV BK OV OV BK BK OV OV OV BK BK SC SC BK BK BK
Cloud Cover (%) 50 70 65 80 85 60 65 90 80 75 50 50 40 40 55 55 55
Temperature 58 52 49 48 46 49 51 52 48 42 39 38 36 38 41 43 43
Min/Max Temp 45 54 35 45
Wind Dir S SE S SW SW W W W W W W W W W W W W
Wind (mph) 11 11 9 9 16 23 20 18 17 18 20 24 27 34 33 32 32
Wind Gust (mph) 31 44 48 40 36 42 47 52 58 64 71 62 59 62
Precip Prob (%) 0 5 0 5 20 20 50 90 70 40 5 0 20 20 30 30 30
Precip Type R R T R R S S S S S S
6 Hour QPF 0.00 0.00 0.01 0.09 0.05 0.01 0.00 0.00
12 Hour QPF 0.00 0.10 0.06 0.00
Low End QPF 0.00 0.06 0.03 0.00
High End QPF 0.04 0.43 0.20 0.10
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.0 0.0 0.2 0.2
Snow Level (kft) 9.6 9.9 10.2 10.2 9.7 9.4 9.5 9.5 8.9 8.3 7.5 6.9 6.3 6.5 6.8 7.5 7.6
Snow Density (%) 0 0 0 0 100 50 100 100 33 20 16 12 12 12 16 25 25
$$
--- Precip Type Codes ---
CODE TYPE
T Thunderstorms
R Rain
S Snow
I Sleet
Z Freezing Rain